Update antora to 3.0.1

package.json

@@ -23,8 +23,8 @@
   },
   "homepage": "https://github.com/jMonkeyEngine/wiki#readme",
   "dependencies": {
-    "@antora/cli": "^2.3.3",
-    "@antora/site-generator-default": "^2.3.3",
+    "@antora/cli": "^3.0.1",
+    "@antora/site-generator": "^3.0.1",
     "asciidoctor-emoji": "^0.2.2"
   }
 }